Research Article
Grouting Treatment of Water and Mud Inrush in Fully Weathered Granite Tunnel: A Case Study
Table 2
Test results of water inflow through the hole.
| Number | Depth of the hole (m) | Depth at which the water starts gushing (m) | Initial water inflow (L/min) | Initial water flow per extension meter (L/(min·m)) | Steady water inflow (L/min) | Steady water flow per extension meter (L/(min·m)) |
| ZJ-1 | 21 | No | No water | No water | No water | No water | ZJ-2 | 21 | No | No water | No water | No water | No water | ZJ-3 | 20 | 15 | 30 | 1.5 | 25 | 1.25 | ZJ-4 | 20 | 15 | 30 | 1.5 | 25 | 1.25 | ZJ-5 | 20 | 15 | 15 | 0.75 | 10 | 0.5 | ZJ-6 | 21 | 18 | 2 | 0.1 | 1 | 0.05 | ZJ-7 | 21 | 16 | 8 | 0.13 | 5 | 0.24 |
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